[PATCH] iommu/qcom:fix local_base status check

From: Tang Bin
Date: Wed Apr 01 2020 - 11:19:28 EST


Release resources when exiting on error.

Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx>
---
drivers/iommu/qcom_iommu.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
index 4328da0b0..d4ec38b1e 100644
--- a/drivers/iommu/qcom_iommu.c
+++ b/drivers/iommu/qcom_iommu.c
@@ -815,6 +815,8 @@ static int qcom_iommu_device_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res)
qcom_iommu->local_base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(qcom_iommu->local_base))
+ return PTR_ERR(qcom_iommu->local_base);

qcom_iommu->iface_clk = devm_clk_get(dev, "iface");
if (IS_ERR(qcom_iommu->iface_clk)) {
--
2.20.1.windows.1